EP2128997A3 - Verzerrungsausgleichsvorrichtung, drahtlose Kommunikationsvorrichtung und Verzerrungsausgleichsverfahren - Google Patents
Verzerrungsausgleichsvorrichtung, drahtlose Kommunikationsvorrichtung und Verzerrungsausgleichsverfahren Download PDFInfo
- Publication number
- EP2128997A3 EP2128997A3 EP08171771A EP08171771A EP2128997A3 EP 2128997 A3 EP2128997 A3 EP 2128997A3 EP 08171771 A EP08171771 A EP 08171771A EP 08171771 A EP08171771 A EP 08171771A EP 2128997 A3 EP2128997 A3 EP 2128997A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- signal
- unit
- electric power
- outputs
- distortion compensating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005855 radiation Effects 0.000 abstract 3
- 230000005540 biological transmission Effects 0.000 abstract 2
- 239000000284 extract Substances 0.000 abstract 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/06—Receivers
- H04B1/10—Means associated with receiver for limiting or suppressing noise or interference
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3247—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits using feedback acting on predistortion circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/32—Modifications of amplifiers to reduce non-linear distortion
- H03F1/3241—Modifications of amplifiers to reduce non-linear distortion using predistortion circuits
- H03F1/3294—Acting on the real and imaginary components of the input signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/336—A I/Q, i.e. phase quadrature, modulator or demodulator being used in an amplifying circuit
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/393—A measuring circuit being coupled to the output of an amplifier
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/447—Indexing scheme relating to amplifiers the amplifier being protected to temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/465—Power sensing
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Amplifiers (AREA)
- Transmitters (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008138731A JP2009290375A (ja) | 2008-05-27 | 2008-05-27 | 歪補償装置、無線通信装置および歪補償方法 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2128997A2 EP2128997A2 (de) | 2009-12-02 |
EP2128997A3 true EP2128997A3 (de) | 2012-08-08 |
EP2128997B1 EP2128997B1 (de) | 2016-08-17 |
Family
ID=41100569
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP08171771.2A Ceased EP2128997B1 (de) | 2008-05-27 | 2008-12-16 | Verzerrungsausgleichsvorrichtung, drahtlose Kommunikationsvorrichtung und Verzerrungsausgleichsverfahren |
Country Status (5)
Country | Link |
---|---|
US (1) | US8014736B2 (de) |
EP (1) | EP2128997B1 (de) |
JP (1) | JP2009290375A (de) |
KR (1) | KR101061329B1 (de) |
CN (1) | CN101594157B (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8606200B2 (en) * | 2007-06-26 | 2013-12-10 | Intel Corporation | Error vector magnitude control within a linear transmitter |
JP5458726B2 (ja) * | 2009-07-28 | 2014-04-02 | 富士通モバイルコミュニケーションズ株式会社 | 携帯端末、送信回路、および送信電力制御方法 |
WO2012042625A1 (ja) * | 2010-09-30 | 2012-04-05 | 富士通株式会社 | 無線通信装置および帰還制御方法 |
WO2012164905A1 (ja) * | 2011-05-30 | 2012-12-06 | 日本電気株式会社 | Vswr測定回路、無線通信装置、vswr測定方法およびvswr測定プログラムが格納された記録媒体 |
TWI464422B (zh) * | 2012-08-13 | 2014-12-11 | Wistron Corp | 天線測試單元 |
CN102938650A (zh) * | 2012-11-09 | 2013-02-20 | 华为技术有限公司 | 对信号进行补偿的方法、串行器以及解串器 |
CN103905080B (zh) * | 2012-12-28 | 2016-03-30 | 联想(北京)有限公司 | 一种调整发射信号的方法以及一种手持移动终端 |
WO2015081573A1 (zh) * | 2013-12-06 | 2015-06-11 | 华为技术有限公司 | 一种信号转换的方法及装置 |
CN103812562B (zh) * | 2014-01-24 | 2016-05-18 | 华南师范大学 | 一种延长无源光纤网络传输距离的方法和装置 |
JP2016213603A (ja) * | 2015-05-01 | 2016-12-15 | 富士通株式会社 | 無線通信装置 |
KR102324384B1 (ko) | 2017-05-30 | 2021-11-10 | 삼성전자 주식회사 | 임피던스 튜닝을 이용한 안테나의 방사 성능을 개선하기 위한 장치 및 방법 |
EP3460491A1 (de) * | 2017-09-22 | 2019-03-27 | Nokia Technologies Oy | Vorrichtung zur messung der spannung der antennenversorgungsleitung |
US10432240B1 (en) * | 2018-05-22 | 2019-10-01 | Micron Technology, Inc. | Wireless devices and systems including examples of compensating power amplifier noise |
US10763905B1 (en) | 2019-06-07 | 2020-09-01 | Micron Technology, Inc. | Wireless devices and systems including examples of mismatch correction scheme |
US10972139B1 (en) | 2020-04-15 | 2021-04-06 | Micron Technology, Inc. | Wireless devices and systems including examples of compensating power amplifier noise with neural networks or recurrent neural networks |
US11496341B2 (en) | 2020-08-13 | 2022-11-08 | Micron Technology, Inc. | Wireless devices and systems including examples of compensating I/Q imbalance with neural networks or recurrent neural networks |
CN116366408B (zh) * | 2022-12-30 | 2024-01-05 | 珠海笛思科技有限公司 | 信号处理方法及装置、电子设备和可读存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000315921A (ja) * | 1999-04-30 | 2000-11-14 | Nec Mobile Commun Ltd | 負帰還型歪み補償回路 |
US20020171476A1 (en) * | 2001-04-20 | 2002-11-21 | Hiroyuki Yamamoto | Negative feedback amplifier and method of controlling loop gain thereof |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH06224956A (ja) * | 1993-01-25 | 1994-08-12 | Toshiba Corp | 移動体通信機の無線送信回路 |
FR2722350B1 (fr) * | 1994-07-08 | 1996-08-23 | Alcatel Espace | Methode de linearisation d'un amplificateur non-lineaire, circuit de linearisation et amplificateur comportant un tel circuit |
US5903823A (en) * | 1995-09-19 | 1999-05-11 | Fujitsu Limited | Radio apparatus with distortion compensating function |
JP3323715B2 (ja) * | 1995-11-30 | 2002-09-09 | 富士通株式会社 | 無線装置 |
JP3137003B2 (ja) * | 1996-09-20 | 2001-02-19 | 松下電器産業株式会社 | 送信装置 |
JPH10322137A (ja) | 1997-05-20 | 1998-12-04 | Matsushita Electric Ind Co Ltd | プリディストーション型歪補償回路付送信装置 |
JP2000013254A (ja) * | 1998-06-24 | 2000-01-14 | Hitachi Denshi Ltd | 無線機 |
JP2001057522A (ja) | 1999-08-18 | 2001-02-27 | Hitachi Denshi Ltd | 送信機 |
JP2001111438A (ja) * | 1999-10-13 | 2001-04-20 | Nec Corp | 送信機及びそれに用いる歪み補償方法 |
KR20010091576A (ko) * | 2000-03-16 | 2001-10-23 | 서평원 | 이동 통신 시스템의 기지국 송신 장치 |
JP2002094394A (ja) * | 2000-09-19 | 2002-03-29 | Matsushita Electric Ind Co Ltd | 送信装置及び送信出力制御方法 |
JP3805221B2 (ja) * | 2001-09-18 | 2006-08-02 | 株式会社日立国際電気 | 歪み補償装置 |
US7058369B1 (en) * | 2001-11-21 | 2006-06-06 | Pmc-Sierra Inc. | Constant gain digital predistortion controller for linearization of non-linear amplifiers |
US7277678B2 (en) * | 2002-10-28 | 2007-10-02 | Skyworks Solutions, Inc. | Fast closed-loop power control for non-constant envelope modulation |
US7469491B2 (en) * | 2004-01-27 | 2008-12-30 | Crestcom, Inc. | Transmitter predistortion circuit and method therefor |
EP1819038A4 (de) * | 2004-11-30 | 2008-07-09 | Fujitsu Ltd | Signalabnehmerschaltung und verzerrungskompensationsverstärker damit |
JP2007028420A (ja) | 2005-07-20 | 2007-02-01 | Toshiba Corp | 高周波電力増幅器 |
US7440731B2 (en) * | 2005-07-27 | 2008-10-21 | Freescale Semiconductor, Inc. | Power amplifier with VSWR detection and correction feature |
JP2007060483A (ja) * | 2005-08-26 | 2007-03-08 | Japan Radio Co Ltd | 送信装置と送受信装置における歪補償装置 |
US7460842B2 (en) * | 2005-09-08 | 2008-12-02 | Motorola, Inc. | Wireless transmitter having polar loop controller with current feedback and methods |
JP2007110397A (ja) * | 2005-10-13 | 2007-04-26 | Nec Saitama Ltd | 送信装置 |
US7761065B2 (en) * | 2006-02-03 | 2010-07-20 | Quantance, Inc. | RF power amplifier controller circuit with compensation for output impedance mismatch |
JP2008138731A (ja) | 2006-11-30 | 2008-06-19 | Bridgestone Corp | 弾性ローラ |
JP5012581B2 (ja) * | 2008-03-06 | 2012-08-29 | 富士通株式会社 | 歪補償増幅装置および補正方法 |
JP5131540B2 (ja) * | 2008-05-20 | 2013-01-30 | 株式会社村田製作所 | Rf電力増幅器およびrf電力増幅装置 |
-
2008
- 2008-05-27 JP JP2008138731A patent/JP2009290375A/ja active Pending
- 2008-12-16 EP EP08171771.2A patent/EP2128997B1/de not_active Ceased
- 2008-12-19 US US12/339,316 patent/US8014736B2/en not_active Expired - Fee Related
-
2009
- 2009-01-08 KR KR1020090001583A patent/KR101061329B1/ko active IP Right Grant
- 2009-01-09 CN CN2009100014554A patent/CN101594157B/zh not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000315921A (ja) * | 1999-04-30 | 2000-11-14 | Nec Mobile Commun Ltd | 負帰還型歪み補償回路 |
US20020171476A1 (en) * | 2001-04-20 | 2002-11-21 | Hiroyuki Yamamoto | Negative feedback amplifier and method of controlling loop gain thereof |
Non-Patent Citations (1)
Title |
---|
YITAO ZHANG ET AL: "A Nonlinear Distortion Compensation Method with Adaptive Predistorter and Negative Feed-Back for a Narrow-Band Signal", 2006 IEEE 64TH VEHICULAR TECHNOLOGY CONFERENCE : VTC 2006-FALL ; 25 - 28 SEPTEMBER 2006, MONTREAL, QUEBEC, CANADA, PISCATAWAY, NJ : IEEE OPERATIONS CENTER, 1 September 2006 (2006-09-01), pages 1 - 5, XP031051611, ISBN: 978-1-4244-0062-1 * |
Also Published As
Publication number | Publication date |
---|---|
EP2128997B1 (de) | 2016-08-17 |
EP2128997A2 (de) | 2009-12-02 |
KR20090123767A (ko) | 2009-12-02 |
KR101061329B1 (ko) | 2011-08-31 |
CN101594157A (zh) | 2009-12-02 |
US8014736B2 (en) | 2011-09-06 |
CN101594157B (zh) | 2012-10-03 |
JP2009290375A (ja) | 2009-12-10 |
US20090298446A1 (en) | 2009-12-03 |
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